@charset "utf-8";

$fs:64px;
*{
    padding: 0;
    margin: 0;
    font-size: 0;
}
html{
    font-size: $fs;
    
    
}
@function r($px){
    @return $px/$fs*1rem
    
}
@function p2vh($px){
    @return $px*100/1280px*1vh
    
}
@function p2vw($px){
    @return $px*100/640px*1vw
    
}
.web{
    width: 100vw;
    background:#f5f5f5;
}
.clear{
    clear: both;
}
//顶部logo
.logo-t{
    position: fixed;
    z-index: 1;
   background: #b20000;
   width:100%;
   text-align: center;
}
.logo-logo{
    width: r(264px);
    height:r(39px);
    padding: r(25px) 0;
}
.logo-caidan{
     width: r(42px);
    height: r(42px);
    padding: r(25px) 0;
    float: left;
    display: inline-block;
}
.logo-sousuo{
    width: r(42px);
    height: r(42px);
        padding: r(25px) 0;
    float: right;
        display: inline-block;
}
//白底logo
.logo-m {
    background: white;
    width: 100%;
    padding-top: r(70px);
}

//白底logo的图片
.logo-img1{

    width: r(125px);
    height:r(17px);
        padding: r(14px) 0 r(14px) r(27px);
}
.logo-img2{
    width: r(65px);
    height:r(23px);
    padding:r(14px) 0 r(14px) r(16px);
}
//轮播图
.box{
    position: relative;
    width: 100%;
}
.box img{
    width: 100%;
    height: 100%;
}

//遮罩层
.box-mengban{
    position: absolute;
    width: 100%;
    background: rgba(0,0,0,0.6);
    bottom: 0;
}
.box-mengban p{
    padding: r(22px) r(30px);
   font-size: r(24px);
   color: white;
   font-weight: bold;
}
.box-mengban span {
    padding:0 r(30px) r(10px) r(30px);
   font-size: r(15px);
   color: white;
   float: right;
}
.box-mengban li{
    float: left;
}
.box-mengban li img{
    width: r(21px);
    height: r(12px);
   display: inline-block;
}
.box-mengban li span{
   font-size: r(15px);
   color: white;
   display: inline-block;
}
//下划线
.hr{
    margin: 0 auto;
    width: r(583px);
    border-top: r(1px) solid #e4e4e4;
    margin-top: r(30px);
}
.text-top{
    background: white;
    padding-top: r(30px);
    position: relative;
}
//上部分案例板块
.top-case{
    width: r(583px);
    margin: 0 auto;
    padding-bottom:r(36px);
    
}
//第一个案例
.top-case-text{   
    width: r(325px);
    display: inline-block;
}
.top-case-text img{
    width: r(19px);
    height: r(17px);
}
//案例的图片
.top-case-img{
    float: right;
    display: inline-block;
    vertical-align: middle;
}
.top-case-img img{
    width: r(208px);
    height: r(117px);   
    display: inline-block;
}

//案例的文本区域
.top-case a{
     display: inline-block;
    font-size: r(24px);
    color: black;
    text-decoration: none; 
    padding-bottom: r(30px);
}
.top-case p{
    font-size: r(19px);  
      color: #d4d4d4;
      float: left;
}
.top-case span{
    font-size: r(19px);  
    color: #d4d4d4;
    float: right;
}


//下部分案例
.text-bottom{
    background: white;
    margin-top: r(25px);
    width: 100%;
}

.bottom-case a{
     display: inline-block;
    font-size: r(24px);
    color: black;
    text-decoration: none; 
    padding-bottom: r(30px);
}
.bottom-case p{
    font-size: r(19px);  
      color: #d4d4d4;
      float: left;
      padding-right: r(17px);
}
.bottom-case span{
    font-size: r(19px);  
    color: #d4d4d4;
    float: right;
}

.bottom-case{   
    margin: 0 auto;
    width: r(583px);
    padding: r(36px) 0 r(47px) 0;
}
.bottom-case p img{
    width: r(19px);
    height: r(17px);
}
.bottom-case img{
    width: r(186px);
    height: r(123px);
}
.case-img2{
   margin: 0 r(12px);
}
//空白DIV
.kongbai{
    width: 100%;
    padding-bottom: r(96px);
}

//头像
.touxiang img{
    border-radius: 50%;
}
//底部菜单
.return{
    width: 100%;
    position: fixed;
    bottom: r(0px);
    background: #f5f5f5;
    
}
.return li{
    float: left;
    width: 20%;
    text-align: center;
    display: inline-block;
    position: relative;


}
.return span{
    display: inline-block;
    font-size: r(18px);
    padding-bottom: r(8px);
        
}
.return a{
    color: black;
    
}
.return img{
    display: block;
    margin: r(10px) auto;
    width: r(43px);
    height: r(43px);
}
.return li::after{
        content: "";
    position: absolute;
    width: r(2px);
    height: r(50px);
    background: #e9e9e9;
    right: 0;
    top: r(20px);
    
}
.logo-t i{
    color: white;
}


//左边弹出页面
.caidan-text-img{
    margin-left: r(40px);
    padding: r(5px);
    background-color: #303030;
    vertical-align: middle;
  width: r(62px);
  height: r(53px);
}
.caidan-logo {
    text-align: center;
    padding: r(105px) 0 r(47px) 0;
}
.caidan-text input{
    width: r(431px);
    height: r(55px);
    background: #3d3d3d;
    padding: r(5px) r(20px);
    font-size: r(19px);
    color: #cdcdcd;
}
.caidan-text p{
    font-size: r(18px);
}




.youbianhuadong p{
    font-size: r(50px);
    color: black;
}
.youbianhuadong{
    font-size: 20px;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: black;
    transition: all .5s;
    transform:translateX(-100%);
    z-index: 1;
}
.youbiandianji{
    width: 100px;
    height: 100px;
    background: yellow;
}
#youbiandianji:checked+.youbianhuadong {
    transform: translateX(0%);
    z-index: 2;
}
